
@keyframes left_to_center {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes right_to_center {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(0);
    }
}


@keyframes top_to_center {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes bottom_to_center {
    0% {
        transform: translateY(100%);
    }
    100% {
        transform: translateY(0);
    }
}




@keyframes center_to_right {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100%);
    }
}


@keyframes center_to_bottom {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(100%);
    }
}

@keyframes fade_in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes fade_out {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}